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RoHS Compliant Small
Form Factor Pluggable
Transceiver for Gigabit
Ethernet and Fiber
Channel
AGM731F
350 E. Plumeria Drive
San Jose, CA 95134-1911 USA
1-888-NETGEAR (638-4327)
E-mail: info@NETGEAR.com
www.NETGEAR.com
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Gigabit
RoHS Compliant Small Form Factor Pluggable Transceiver for
Ethernet and Fiber Channel
FEATURES
Compliant with SFP Transceiver MSA
specification
Compliant with Specifications for IEEE
802.3z/Gigabit Ethernet
Compliant with the 1.0625GBd Fiber Channel
FC-PI 100-M5-SN-I Rev.13
Description
This transceiver is hot pluggable 3.3V
Small-Form-Factor transceiver module designed
expressly for high-speed communication applications
that require rates of up to 1.25Gbit/sec. It is compliant
with the Gigabit Ethernet standards, as well as the SFP
Multisource Agreement (MSA).
It provides with the LC receptacle that is compatible
with the industry standard LC connector. The
transceiver is also compatible with industry standard
RFT connector and cage.
The post-amplifier of the transceiver also includes a
LOS (Loss Of Signal) circuit that provides a TTL
logic-high output when an unusable optical signal level
is detected.
The transceiver is a Class 1 eye safety product.
The optical power levels, under normal operation, are
at eye safe level.
Compliant with Industry Standard RFT
Electrical Connector and Cage
Single + 3.3V Power Supply and TTL Logic
Interface
EEPROM with Serial ID Functionality
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Duplex LC Connector interface
Applications
Gigabit Ethernet
Fibre channel
Switch to Switch interface
Switched backplane applications
File server interface
Performance
Data Link up to 550m in 50/125µm Multi Mode Fiber
Data Link up to 275m in 62.5/125µm Multi Mode Fiber
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Absolute Maximum Ratings
Parameter Symbol Min. Typ. Max. Unit Note
Storage Temperature Ts -40 85 ºC
Supply Voltage VCC 0 5 V
Recommended Operating Conditions
Parameter Symbol Min. Typ. Max. Unit Note
Case Operating Temperature TC -5 70 ºC
Supply Voltage VCC 3.135
3.465
V
Electrical Characteristics
(VCC=3.135V to 3.465V)
Parameter Symbol
Total Supply Current I
CCT
Transmitter
Transmitter Differential Input Voltage VDT 0.5 2.4 V 1
Transmitter Disable Input-High V
Transmitter Disable Input-Low V
Transmitter Fault Output-High V
Transmitter Fault Output-Low V
DISH
DISL
TXFH
TXFL
Receiver
Receiver Differential Output Voltage VDR 0.35 0.7 2 V 3
LOS Output Voltage-High V
LOS Output Voltage-Low V
LOSH
LOSL
Output Data Rise/Fall Time tr / tf 400 psec 4
Total Jitter (pk-pk) TJRX 220 psec
Notes:
1. Internally AC coupled and terminated to 100Ohm differential load.
Min. Typ. Max. Unit Note
180 300 mA
2 VCC+0.3
V
0 0.8 V
2 VCC+0.3
V 2
0 0.8 V 2
2 VCC+0.3
V 2
0 0.8 V 2
2. Pull up to V
with a 4.7K – 10K Ohm resistor on host Board
CC
3. Internally AC coupled, but requires a 100 Ohm differential termination at or internal to Serializer/
Deserializer.
4. These are 20%~80% values
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Optical Characteristics
(VCC=3.135V to 3.465V, Data Rate=1.25 Gb/sec, PRBS=27-1 NRZ, 50/125µm or 62.5/125µm MMF)
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Output Optical Power (Avg.) PO -9.5 -3 dBm
Optical Extinction Ratio ER 9 dB
λ
Center Wavelength
Spectral Width (RMS)
Optical Rise/Fall Time
Total Jitter (pk-pk)
Relative Intensity Noise
Output Eye
Complies with the IEEE 802.3z/D2 specification, and is class 1 laser
eye safety
Receiver
Sensitivity (Avg.) PIN -17 dBm 2
Input Optical Wavelength
LOS- De-Asserted (Avg.) PD -17 dBm
LOS- asserted (Avg.) PA -30 dBm
LOS-Hysteresis PD-PA 0.5 dB
Overload PO -3 dBm
Notes:
1. These are 20%~80% values
2. The sensitivity is provided at a BER of 1×10
7
-1 PRBS.
2
C
σ
/tf 260 psec 1
t
r
220 psec
TJ
TX
830 850 860 nm
0.85 nm
RIN -117 dB/Hz
λ
-10
850 nm
or better with an input signal consisting of 1250Mb/s,
Mask of the eye diagram for the optical transmit signal
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SFP Transceiver Electrical Pad Layout
Pin Function Definitions
Pin Num.
1 VeeT Transmitter Ground 1
2 TX Fault Transmitter Fault Indication 3 Note 1
3 TX Disable Transmitter Disable 3
4 MOD-DEF2 Module Definition 2 3 Note 3, 2 wire serial ID interface
5 MOD-DEF1 Module Definition 1 3 Note 3, 2 wire serial ID interface
6 MOD-DEF0 Module Definition 0 3 Note 3, Grounded in Module
7 Rate Select Not Connect 3 Function not available
8 LOS Loss of Signal 3 Note 4
9 VeeR Receiver Ground 1 Note 5
10 VeeR Receiver Ground 1 Note 5
11 VeeR Receiver Ground 1 Note 5
12 RD- Inv. Received Data Out 3 Note 6
13 RD+ Received Data Out 3 Note 7
14 VeeR Receiver Ground 1 Note 5
15 VccR Receiver Power 2 3.3 ± 5%, Note 7
16 VccT Transmitter Power 2 3.3 ± 5%, Note 7
17 VeeT Transmitter Ground 1 Note 5
18 TD+ Transmit Data In 3 Note 8
19 TD- Inv. Transmit Data In 3 Note 8
20 VeeT Transmitter Ground 1 Note 5
Plug Seq.: Pin engagement sequence during hot plugging.
Name Function Plug Seq.
Notes
Note 2
Module disables on high or open
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Notes:
1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host
board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind.
Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.
2) TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module
with a 4.7 – 10 K Ω resistor. Its states are:
Low (0 – 0.8V): Transmitter on
(>0.8, < 2.0V): Undefined
High (2.0 – 3.465V): Transmitter Disabled
Open: Transmitter Disabled
3) Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩresistor on the
host board. The pull-up voltage shall be VccT or VccR (see Section IV for further details). Mod-Def 0 is grounded
by the module to indicate that the module is present Mod-Def 1 is the clock line of two wire serial interface for
serial ID Mod-Def 2 is the data line of two wire serial interface for serial ID
4) LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor.
Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is
below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In
the low state, the output will be pulled to < 0.8V.
5) VeeR and VeeT may be internally connected within the SFP module.
6) RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be
terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus
not required on the host board. The voltage swing on these lines will be between 370 and 2000 mV differential
(185 – 1000 mV single ended) when properly terminated.
7) VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP
connector pin. Maximum supply current is 300mA. Recommended host board power supply filtering is shown
below. Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage
at the SFP input pin with 3.3V supply voltage. When the recommended supply-filtering network is used, hot
plugging of the SFP transceiver module will result in an inrush current of no more than 30mA greater than the
steady state value. VccR and VccT may be internally connected within the SFP transceiver module.
8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω
differential termination inside the module. The AC coupling is done inside the module and is thus not
required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 – 1200
mV single-ended), though it is recommended that values between 500 and 1200 mV differential (250 –
600 mV single-ended) be used for best EMI performance.
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Package Outline Drawing for Metal Housing with Bail de-latch
1000Base-SX / LC Connector
Class 1 Laser Proudct
AGM731F
850nm 1.25GBd
272-10254-02
R
Made in China
and 1040.11
21 CFR 1040.10
Complies with
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TX_DISABLE Assert
Time from rising edge of TX_DISABLE to
when the optical output falls below 10% of
Time from falling edge of TX_DISABLE to
ted optical output rises
Time to initialize,
including reset of
From power on or negation of TX_Fault using
TX Fault Assert
TX_DISABLE to
ble must be held high to reset
SFP timing parameters for SFP management
Parameter Symbol Min. Max. Unit
time
TX_DISABLE
Negate time
TX_FAULT
Time
reset
LOS Assert Time t_loss_on 100 µsec Time from LOS state to Rx LOS assert
LOS Deassert Time t_loss_off 100 µsec Time from non-LOS state to Rx LOS deassert
Serial ID Clock Rate f_serial_clock 100 kHz
t_off 10 µsec
t_on 1 msec
t_init 300
t_fault
t_rest 10 µsec
100
msec
µsec Time from fault to TX fault on.
nominal
when the modula
above 90% of nominal
TX Disable.
Time TX Disa
TX_Fault
Unit Conditions
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Power on initialization of SFP transceiver, TX_DISABLE
Power on initialization of SFP, TX_DISABLE asserted
ring hot plugging,
SFP timing parameters
negated
Example of initialization du
TX_DISABLE negated.
Detection of transmitter safety fault condition Successful recovery from transient safety fault condition
Initialization during hot plugging of SFP TRANSCEIVER.
SFP TX_DISABLE timing during normal operation.
Unsuccessful recovery from safety fault condition Timing of LOS detection
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EEPROM Serial ID Memory Contents (2-Wire Address A0h)
Address
Hex ASCII
00 03 25 41 A 50 20 75 SN 100 00 125 00
01 04 26 52 R 51 20 76 SN 101 00 126 00
02 07 27 20 52 20 77 SN 102 00 127 00
03 00 28 20 53 20 78 SN 103 00
04 00
05 00 30 20 55 20 80 SN 105 00
06 01 31 20 56 41 81 SN 106 00
07
40 32 20 57 20 82 SN 107 00
08 40 33 20 58 20 83 SN 108 00
09 00 34 20 59 20 84 DC Note 3 109 00
10 00
11 03 36 00 61 52 86 DC 111 00
12 0D 37 00 62 00 87 DC 112 00
13 00
14 00 39 00 64 00 89 DC 114 00
15 00 40 41 A 65 1A 90 DC 115 00
16 37
17 1B 42 4D M 67 00 92 00 117 00
18 00 43 37 7 68 SN Note 2 93 00 118 00
19 00
20 4E N 45 31 1 70 SN 95 CS2 Note 4 120 00
21 45 E 46 46 F 71 SN 96 00 121 00
22 54
23 47
24 45 E 49 20 74 SN 99 00 124 00
Address
29 20 54 20 79 SN 104 00
35 20 60 03 85 DC 110 00
38 00 63 CS1 Note 1 88 DC 113 00
41 47 G 66 00 91 DC 116 00
44 33 3 69 SN 94 00 119 00
T 47 20 72 SN 97 00 122 00
G 48 20 73 SN 98 00 123 00
Hex ASCII
Address
Hex ASCII
Address
Hex ASCII
Address
Hex ASCII
Address
Hex ASCII
Notes:
1) Byte 63: Check sum of bytes 0-62.
2) Byte 68-83 (SN): Serial number.
3) Byte 84-91 (DC): Date code.
4)
Byte 95 (CS2): Check sum of bytes 64-94.
Byte 128-255 had been set hex. 00.
5)
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Component Recognition for Information
Regulatory Compliance
Feature Reference Performance
Electromagnetic Interference
(EMI)
Radio Frequency
Electromagnetic Field
Electrostatic Discharge to the
Duplex LC Receptacle
Electrostatic Discharge to the
Electrical Pins
Eye Safety US FDA CDRH AEL Class 1
Component Recognition Underwriters Laboratories and
FCC CRF 47, Part15 Class B
EN 55022 Class B (CISPR 22A)
EN 61000-4-3
IEC 61000-4-3
EN 61000-4-2
IEC 61000-4-2
IEC 801.2
MIL-STD-883E Method 3015.7
EN 60950: 2000
EN 60825-1: 1994+A11+A2
EN 60825-2: 2000
Canadian Standards Association Joint
Technology Equipment Including
Electrical Business Equipment
(1) Satisfied with electrical
characteristics of product
spec.
(2) No physical damage
CDRH File # 0321539-00
TUV Certificate No. R50032471
UL File # E239394
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© 2008 NETGEAR, Inc. NETGEAR, the NETGEAR Logo, NETGEAR Digital Entertainer Logo, Connect with Innovation,
FrontView, IntelliFi, PowerShift, ProSafe, RAIDar, RAIDiator, X-RAID, RangeMax, ReadyNAS and Smart Wizard are trademarks of
NETGEAR, Inc. in the United States and/or other countries. Other brand names mentioned herein are for identification purposes
only and may be trademarks of their respective holder(s). Information is subject to change without notice. All rights reserved.
D-AGM731F-0
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